import tkinter

canvas = tkinter.Canvas(width=600, height=400)
canvas.pack()
canvas.create_rectangle(250, 35, 350, 365, fill= "black", tag="s")
#canvas.create_oval(255, 40, 345, 145, fill="red", tag="r")
#canvas.create_oval(255, 150, 345, 255, fill="orange", tag="o")
#canvas.create_oval(255, 260, 345, 365, fill="green", tag="g")
while True:
    for i in range(10):
        canvas.create_oval(255, 40, 345, 145, fill="red", tag="r")
        canvas.create_text(300, 93, text=str(10 - i), font="arial 40", fill="white", tag="t")
        canvas.update()
        canvas.after(500)
        canvas.delete("t")
        i = i + 1
        if i == 9:
            canvas.create_oval(255, 150, 345, 255, fill="orange", tag="o")
        if i == 10:
            for x in range(10):
                canvas.delete("r", "o")
                canvas.create_oval(255, 260, 345, 365, fill="green", tag="g")
                canvas.create_text(300, 312, text=str(10 - x), font="arial 40", fill="white", tag="t")
                canvas.update()
                canvas.after(500)
                canvas.delete("t")
                x = x + 1
                if x == 9:
                    canvas.create_oval(255, 150, 345, 255, fill="orange", tag="o")
                canvas.delete("g")



tkinter.mainloop()